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Finding the Fourth Proportional to 168,581.79, 252,910.35 and 63,401.67

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Solution

The fourth proportional to 168,581.79, 252,910.35 and 63,401.67 is: 95,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,581.79 : 252,910.35 = 63,401.67 : x
  2. Step 2: Convert to fraction form
    168,581.79/252,910.35 = 63,401.67/x
  3. Step 3: Cross multiply
    168,581.79x = 252,910.35 × 63,401.67
  4. Step 4: Simplify right side
    168,581.79x = 16,034,938,550.28
  5. Step 5: Solve for x
    x = 16,034,938,550.28/168,581.79
  6. Step 6: Final answer
    x = 95,116.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.